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प्रश्न
Drying of wet clothes in air is an example of
पर्याय
Chemical change
Undesirable change
Irreversible change
physical change
MCQ
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उत्तर
Irreversible change
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of reversible changes.
Short Answer Type Question:
What is a physical change? Explain with example.
Chemical reactions are example for
Match the following.
| Bud to flower | Dr. A.P.J. Abdul Kalam |
| Reversible change | Recyclable waste |
| India 2020 | Organic waste |
| Paper | Melting of ice |
| Vegetables | Irreversible change |
When a candle is lit the following changes are observed.
- Wax melts.
- Candle keeps burning.
- The size of the candle decreases.
- The molten wax solidifies
- Which of the changes can be reversed? Justify your answer
Which of the following changes cannot be reversed?
- Blowing of a balloon
- Folding paper to make a toy aeroplane
- Rolling a ball of dough to make roti
- Baking cake in an oven
- Drying a wet cloth
- Making biogas from cow dung
- Burning of a candle
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
Give one example of change occurs on mixing two substances, but can be reversed.
Choose the odd one out. Give reason for your choice.
Find the odd one out. Give reason for your choice.
